1320036461 has 2 divisors, whose sum is σ = 1320036462. Its totient is φ = 1320036460.

The previous prime is 1320036449. The next prime is 1320036469. The reversal of 1320036461 is 1646300231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981255625 + 338780836 = 31325^2 + 18406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320036461 - 2⁶ = 1320036397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320036461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320036469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660018230 + 660018231.

It is an arithmetic number, because the mean of its divisors is an integer number (660018231).

Almost surely, 2^1320036461 is an apocalyptic number.

It is an amenable number.

1320036461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320036461 is an equidigital number, since it uses as much as digits as its factorization.

1320036461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1320036461 is about 36332.3060237029. The cubic root of 1320036461 is about 1096.9714104709.

Adding to 1320036461 its reverse (1646300231), we get a palindrome (2966336692).

The spelling of 1320036461 in words is "one billion, three hundred twenty million, thirty-six thousand, four hundred sixty-one".